Reliable Wired Connection Protect your loved ones & property with this multi-camera, wired surveillance system with everything you need to do-it-yourself or have it professionally installed See & Hear Everything in Ultra HD See faces, license plates, packages & capture audio with state-of-the-art 4K Ultra HD, that’s 4x clearer than 1080p with powerful digital zoom – ensuring you won’t miss a thing Protection 24/7 Know what’s happening at any hour with powerful night vision up to 150ft/45m in total darkness (200ft/60m with ambient light) & the ability to see color video at night. Add 4 more cameras for full 8 channel monitoring Heat Sensing Swann’s True Detect™ heat & motion-based PIR detection reliably captures & records activity, with fewer false triggers & reliable push notifications Set & Forget Enjoy local recording for up to 300 days+ onto the massive 2TB hard drive with no fees ever. Save still images directly to your Dropbox account Security Made Smarter Cut the cost of crime & know what’s happening with this expandable Ultra HD security system to suit large homes, offices, small businesses & retail stores Speak & You Can See Use voice commands via the Google Assistant & Chromecast to stream video from your security cameras to your TV. Your security just got smarter. Audio Adds Another Layer of Evidence Hear off-screen noises & identify voices by their gender, age, accent & language. Record conversations & make sure your kids or elderly family members are being well taken care of by anyone assisting them. Protection 24/7 The powerful infrared night vision lets you see up to 150ft (45m) in total darkness, or 200ft (60m) with ambient light, while color night vision keeps the image in color in low light conditions. Dropbox Integration Set up the system to upload still images to your Dropbox account in the cloud. So even if your security system gets stolen, you’ll have image evidence stored off-site. Free Storage with the Massive HDD The massive 2TB HDD can store months of recordings before it starts saving over older footage. Easily transfer videos to a USB (Universal Serial Bus) stick or download via network with no ongoing fees ever. Easier Installation with Power over Ethernet Power, video & audio run through a single Ethernet cable per camera with Power over Ethernet cabling, Po E, making installation a lot simpler. Smart Video Analytics Video analytics recognize visual elements to trigger recording & alerts. Set up Face Detection, Line Crossing Detection, Perimeter Intrusion Detection, Static Object Detection, Person Detection & Crossing Counter. Expand Coverage Area Add up to 4 more cameras for a total of 8 to cover any blind spots in your property. See Compatible Products further below. Add Spotlight Cameras Add 5MP or 4K (8MP) Spotlight Cameras with powerful deterrence technology. Super bright spotlights turn on when activity is detected, bringing image to color. The speaker sounds a siren & means that you can talk back to scare off intruders. See Compatible Products section below.